140146-66-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 140146-66-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,4 and 6 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 140146-66:
(8*1)+(7*4)+(6*0)+(5*1)+(4*4)+(3*6)+(2*6)+(1*6)=93
93 % 10 = 3
So 140146-66-3 is a valid CAS Registry Number.
InChI:InChI=1/C22H28N2O4.C4H4O4/c1-4-14-12-24-10-9-21-17-11-15(26)5-6-18(17)23(2)22(21,24)8-7-16(14)20(21,13-25)19(27)28-3;5-3(6)1-2-4(7)8/h4-6,11,16,25-26H,7-10,12-13H2,1-3H3;1-2H,(H,5,6)(H,7,8)/b14-4+;2-1+